Through the process of mitosis, the nucleus divides to form new nuclei, each containing number and type of chromosomes as the original. a. 2; the same b. 4; the same c. 2; a different d. 4; a different

The correct option is A .

Through the process of mitosis, the nucleus divides to form 2  new nuclei, each containing the same number and type of chromosomes as the original.

Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth. According ti that definition, Option A is correct one.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.